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<a href="stream-init_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright 2014, Google Inc.</span>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Redistribution and use in source and binary forms, with or without</span>
<a name="l00005"></a>00005 <span class="comment">// modification, are permitted provided that the following conditions are</span>
<a name="l00006"></a>00006 <span class="comment">// met:</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">//   * Redistributions of source code must retain the above copyright</span>
<a name="l00009"></a>00009 <span class="comment">//     notice, this list of conditions and the following disclaimer.</span>
<a name="l00010"></a>00010 <span class="comment">//   * Redistributions in binary form must reproduce the above</span>
<a name="l00011"></a>00011 <span class="comment">//     copyright notice, this list of conditions and the following disclaimer</span>
<a name="l00012"></a>00012 <span class="comment">//     in the documentation and/or other materials provided with the</span>
<a name="l00013"></a>00013 <span class="comment">//     distribution.</span>
<a name="l00014"></a>00014 <span class="comment">//   * Neither the name of Google Inc. nor the names of its</span>
<a name="l00015"></a>00015 <span class="comment">//     contributors may be used to endorse or promote products derived from</span>
<a name="l00016"></a>00016 <span class="comment">//     this software without specific prior written permission.</span>
<a name="l00017"></a>00017 <span class="comment">//</span>
<a name="l00018"></a>00018 <span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span>
<a name="l00019"></a>00019 <span class="comment">// &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span>
<a name="l00020"></a>00020 <span class="comment">// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span>
<a name="l00021"></a>00021 <span class="comment">// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span>
<a name="l00022"></a>00022 <span class="comment">// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00023"></a>00023 <span class="comment">// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span>
<a name="l00024"></a>00024 <span class="comment">// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span>
<a name="l00025"></a>00025 <span class="comment">// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span>
<a name="l00026"></a>00026 <span class="comment">// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00027"></a>00027 <span class="comment">// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span>
<a name="l00028"></a>00028 <span class="comment">// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00029"></a>00029 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00030"></a>00030 <span class="comment">//</span>
<a name="l00031"></a>00031 <span class="comment">//</span>
<a name="l00035"></a>00035 <span class="comment"></span>
<a name="l00036"></a>00036 <span class="preprocessor">#ifndef INFACT_STREAM_INIT_H_</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor">#define INFACT_STREAM_INIT_H_</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include &lt;cstdlib&gt;</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include &lt;iostream&gt;</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include &lt;sstream&gt;</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include &lt;memory&gt;</span>
<a name="l00043"></a>00043 <span class="preprocessor">#include &lt;unordered_map&gt;</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include &lt;unordered_set&gt;</span>
<a name="l00045"></a>00045 <span class="preprocessor">#include &lt;vector&gt;</span>
<a name="l00046"></a>00046 <span class="preprocessor">#include &lt;stdexcept&gt;</span>
<a name="l00047"></a>00047 
<a name="l00048"></a>00048 <span class="preprocessor">#include &quot;<a class="code" href="error_8h.html" title="Provides an error handling function that optionally throws an exception.">error.h</a>&quot;</span>
<a name="l00049"></a>00049 <span class="preprocessor">#include &quot;<a class="code" href="stream-tokenizer_8h.html" title="Provides the StreamTokenizer  class.">stream-tokenizer.h</a>&quot;</span>
<a name="l00050"></a>00050 
<a name="l00051"></a>00051 <span class="keyword">namespace </span>infact {
<a name="l00052"></a>00052 
<a name="l00053"></a>00053 <span class="keyword">using</span> std::ostringstream;
<a name="l00054"></a>00054 <span class="keyword">using</span> std::shared_ptr;
<a name="l00055"></a>00055 <span class="keyword">using</span> std::unordered_map;
<a name="l00056"></a>00056 <span class="keyword">using</span> std::vector;
<a name="l00057"></a>00057 
<a name="l00058"></a>00058 <span class="keyword">class </span>Environment;
<a name="l00059"></a>00059 
<a name="l00068"></a><a class="code" href="classinfact_1_1_stream_initializer.html">00068</a> <span class="keyword">class </span><a class="code" href="classinfact_1_1_stream_initializer.html" title="An interface that allows for a primitive, Factory-constructible object or vector thereof to be initia...">StreamInitializer</a> {
<a name="l00069"></a>00069  <span class="keyword">public</span>:
<a name="l00070"></a><a class="code" href="classinfact_1_1_stream_initializer.html#afebd934e6562f637dae5f2ead5c4c441">00070</a>   <a class="code" href="classinfact_1_1_stream_initializer.html#afebd934e6562f637dae5f2ead5c4c441">StreamInitializer</a>() { }
<a name="l00071"></a><a class="code" href="classinfact_1_1_stream_initializer.html#a86ef5ab612b3c9a9a82a0f554cfc6677">00071</a>   <span class="keyword">virtual</span> <a class="code" href="classinfact_1_1_stream_initializer.html#a86ef5ab612b3c9a9a82a0f554cfc6677">~StreamInitializer</a>() { }
<a name="l00072"></a>00072   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classinfact_1_1_stream_initializer.html#acd03dcfdde0dd576adf7098c3796cab9">Init</a>(<a class="code" href="classinfact_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st, <a class="code" href="classinfact_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *env = <span class="keyword">nullptr</span>) = 0;
<a name="l00073"></a>00073 };
<a name="l00074"></a>00074 
<a name="l00075"></a>00075 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt; <span class="keyword">class </span>Factory;
<a name="l00076"></a>00076 
<a name="l00083"></a>00083 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00084"></a><a class="code" href="classinfact_1_1_initializer.html">00084</a> <span class="keyword">class </span><a class="code" href="classinfact_1_1_initializer.html" title="A class to initialize a Factory-constructible object.">Initializer</a> : <span class="keyword">public</span> <a class="code" href="classinfact_1_1_stream_initializer.html" title="An interface that allows for a primitive, Factory-constructible object or vector thereof to be initia...">StreamInitializer</a> {
<a name="l00085"></a>00085  <span class="keyword">public</span>:
<a name="l00086"></a><a class="code" href="classinfact_1_1_initializer.html#a3dedac0dac53b9167bb74a981531bddc">00086</a>   <a class="code" href="classinfact_1_1_initializer.html#a3dedac0dac53b9167bb74a981531bddc">Initializer</a>(T *member) : member_(member) { }
<a name="l00087"></a><a class="code" href="classinfact_1_1_initializer.html#ad1135457cf8008fba70326f9e6bde2a6">00087</a>   <span class="keyword">virtual</span> <a class="code" href="classinfact_1_1_initializer.html#ad1135457cf8008fba70326f9e6bde2a6">~Initializer</a>() { }
<a name="l00088"></a><a class="code" href="classinfact_1_1_initializer.html#a84297ff40dc43faf6677d4dcd8fd2291">00088</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classinfact_1_1_initializer.html#a84297ff40dc43faf6677d4dcd8fd2291">Init</a>(<a class="code" href="classinfact_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st, <a class="code" href="classinfact_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *env = <span class="keyword">nullptr</span>) {
<a name="l00089"></a>00089     <a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6e5b0b274a66a2a504ac4fd425c57b3" title="The set of types of tokens read by this stream tokenizer.">StreamTokenizer::TokenType</a> token_type = st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#a50a622f50ef6aa800a9c7c15b96bb6cb" title="Returns the type of the next token, or EOF_TYPE if there is no next token.">PeekTokenType</a>();
<a name="l00090"></a>00090     <span class="keywordtype">bool</span> is_null =
<a name="l00091"></a>00091       token_type == <a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6e5b0b274a66a2a504ac4fd425c57b3a1c9eaa574c618f243aa51efe253d3118">StreamTokenizer::RESERVED_WORD</a> &amp;&amp;
<a name="l00092"></a>00092       (st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#a61ec5de244a34de264e5b18e4809d753" title="Returns the next token that would be returned by the Next method.">Peek</a>() == <span class="stringliteral">&quot;nullptr&quot;</span> || st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#a61ec5de244a34de264e5b18e4809d753" title="Returns the next token that would be returned by the Next method.">Peek</a>() == <span class="stringliteral">&quot;nullptr&quot;</span>);
<a name="l00093"></a>00093     <span class="keywordflow">if</span> (!(is_null || token_type == <a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6e5b0b274a66a2a504ac4fd425c57b3a61f308d29c6dd30996fcb120b6344e41">StreamTokenizer::IDENTIFIER</a>)) {
<a name="l00094"></a>00094       ostringstream err_ss;
<a name="l00095"></a>00095       err_ss &lt;&lt; <span class="stringliteral">&quot;FactoryInitializer: expected \&quot;nullptr\&quot;, \&quot;nullptr\&quot; or &quot;</span>
<a name="l00096"></a>00096              &lt;&lt; <span class="stringliteral">&quot;IDENTIFIER token at stream &quot;</span>
<a name="l00097"></a>00097              &lt;&lt; <span class="stringliteral">&quot;position &quot;</span> &lt;&lt; st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#acbafcc5e7f6a0b3e4cd8166c4a53f4a8" title="Returns the next token&rsquo;s start position, or the byte position of the underlying byte stream if there ...">PeekTokenStart</a>() &lt;&lt; <span class="stringliteral">&quot; but found &quot;</span>
<a name="l00098"></a>00098              &lt;&lt; <a class="code" href="classinfact_1_1_stream_tokenizer.html#acd4baaa4ccb442e4398550e2f8c76419" title="Returns a string type name for the specified TokenType constant.">StreamTokenizer::TypeName</a>(token_type) &lt;&lt; <span class="stringliteral">&quot; token: \&quot;&quot;</span>
<a name="l00099"></a>00099              &lt;&lt; st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#a61ec5de244a34de264e5b18e4809d753" title="Returns the next token that would be returned by the Next method.">Peek</a>() &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;
<a name="l00100"></a>00100       <a class="code" href="namespaceinfact.html#a746fb382cf3fd6cf656f40669d90372c" title="Reports an error encountered during parsing and/or construction of an object.">Error</a>(err_ss.str());
<a name="l00101"></a>00101     }
<a name="l00102"></a>00102     <a class="code" href="classinfact_1_1_factory.html" title="Factory for dynamically created instance of the specified type.">Factory&lt;typename T::element_type&gt;</a> factory;
<a name="l00103"></a>00103     (*member_) = factory.<a class="code" href="classinfact_1_1_factory.html#a8b2771ba4fac39a71cb1d0156ddba7b6" title="Dynamically creates an object, whose type and initialization are contained in a specification string...">CreateOrDie</a>(st, env);
<a name="l00104"></a>00104   }
<a name="l00105"></a>00105  <span class="keyword">private</span>:
<a name="l00106"></a>00106   T *member_;
<a name="l00107"></a>00107 };
<a name="l00108"></a>00108 
<a name="l00111"></a>00111 <span class="keyword">template</span>&lt;&gt;
<a name="l00112"></a><a class="code" href="classinfact_1_1_initializer_3_01int_01_4.html">00112</a> <span class="keyword">class </span><a class="code" href="classinfact_1_1_initializer.html" title="A class to initialize a Factory-constructible object.">Initializer</a>&lt;int&gt; : <span class="keyword">public</span> <a class="code" href="classinfact_1_1_stream_initializer.html" title="An interface that allows for a primitive, Factory-constructible object or vector thereof to be initia...">StreamInitializer</a> {
<a name="l00113"></a>00113  <span class="keyword">public</span>:
<a name="l00114"></a><a class="code" href="classinfact_1_1_initializer_3_01int_01_4.html#a5021248f5fbf6e7d71e1c7bb8e07365c">00114</a>   <a class="code" href="classinfact_1_1_initializer_3_01int_01_4.html#a5021248f5fbf6e7d71e1c7bb8e07365c">Initializer</a>(<span class="keywordtype">int</span> *member) : member_(member) { }
<a name="l00115"></a><a class="code" href="classinfact_1_1_initializer_3_01int_01_4.html#a0cdbdeb6a722a174601d547220835502">00115</a>   <span class="keyword">virtual</span> <a class="code" href="classinfact_1_1_initializer_3_01int_01_4.html#a0cdbdeb6a722a174601d547220835502">~Initializer</a>() { }
<a name="l00116"></a><a class="code" href="classinfact_1_1_initializer_3_01int_01_4.html#ac7a91aa865ce342f368a9e779b97c5b5">00116</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classinfact_1_1_initializer_3_01int_01_4.html#ac7a91aa865ce342f368a9e779b97c5b5">Init</a>(<a class="code" href="classinfact_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st, <a class="code" href="classinfact_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *env = <span class="keyword">nullptr</span>) {
<a name="l00117"></a>00117     <a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6e5b0b274a66a2a504ac4fd425c57b3" title="The set of types of tokens read by this stream tokenizer.">StreamTokenizer::TokenType</a> token_type = st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#a50a622f50ef6aa800a9c7c15b96bb6cb" title="Returns the type of the next token, or EOF_TYPE if there is no next token.">PeekTokenType</a>();
<a name="l00118"></a>00118     <span class="keywordflow">if</span> (token_type != <a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6e5b0b274a66a2a504ac4fd425c57b3adbb02ac8845cd4a289387df4bf554aea">StreamTokenizer::NUMBER</a>) {
<a name="l00119"></a>00119       ostringstream err_ss;
<a name="l00120"></a>00120       err_ss &lt;&lt; <span class="stringliteral">&quot;IntInitializer: expected NUMBER token at stream &quot;</span>
<a name="l00121"></a>00121              &lt;&lt; <span class="stringliteral">&quot;position &quot;</span> &lt;&lt; st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#acbafcc5e7f6a0b3e4cd8166c4a53f4a8" title="Returns the next token&rsquo;s start position, or the byte position of the underlying byte stream if there ...">PeekTokenStart</a>() &lt;&lt; <span class="stringliteral">&quot; but found &quot;</span>
<a name="l00122"></a>00122              &lt;&lt; <a class="code" href="classinfact_1_1_stream_tokenizer.html#acd4baaa4ccb442e4398550e2f8c76419" title="Returns a string type name for the specified TokenType constant.">StreamTokenizer::TypeName</a>(token_type) &lt;&lt; <span class="stringliteral">&quot; token: \&quot;&quot;</span>
<a name="l00123"></a>00123              &lt;&lt; st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#a61ec5de244a34de264e5b18e4809d753" title="Returns the next token that would be returned by the Next method.">Peek</a>() &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;
<a name="l00124"></a>00124       <a class="code" href="namespaceinfact.html#a746fb382cf3fd6cf656f40669d90372c" title="Reports an error encountered during parsing and/or construction of an object.">Error</a>(err_ss.str());
<a name="l00125"></a>00125     }
<a name="l00126"></a>00126     (*member_) = atoi(st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6827f00a3da760e23241e890becee0c" title="Returns the next token in the token stream.">Next</a>().c_str());
<a name="l00127"></a>00127   }
<a name="l00128"></a>00128  <span class="keyword">private</span>:
<a name="l00129"></a>00129   <span class="keywordtype">int</span> *member_;
<a name="l00130"></a>00130 };
<a name="l00131"></a>00131 
<a name="l00133"></a>00133 <span class="keyword">template</span>&lt;&gt;
<a name="l00134"></a><a class="code" href="classinfact_1_1_initializer_3_01double_01_4.html">00134</a> <span class="keyword">class </span><a class="code" href="classinfact_1_1_initializer.html" title="A class to initialize a Factory-constructible object.">Initializer</a>&lt;double&gt; : <span class="keyword">public</span> <a class="code" href="classinfact_1_1_stream_initializer.html" title="An interface that allows for a primitive, Factory-constructible object or vector thereof to be initia...">StreamInitializer</a> {
<a name="l00135"></a>00135  <span class="keyword">public</span>:
<a name="l00136"></a><a class="code" href="classinfact_1_1_initializer_3_01double_01_4.html#a21f2c601d1945c698207663d4892736f">00136</a>   <a class="code" href="classinfact_1_1_initializer_3_01double_01_4.html#a21f2c601d1945c698207663d4892736f">Initializer</a>(<span class="keywordtype">double</span> *member) : member_(member) { }
<a name="l00137"></a><a class="code" href="classinfact_1_1_initializer_3_01double_01_4.html#ad172031ac5f8139d530c99937d5e766b">00137</a>   <span class="keyword">virtual</span> <a class="code" href="classinfact_1_1_initializer_3_01double_01_4.html#ad172031ac5f8139d530c99937d5e766b">~Initializer</a>() { }
<a name="l00138"></a><a class="code" href="classinfact_1_1_initializer_3_01double_01_4.html#a17e348f01d54a7a12dcbf4332fd51cb9">00138</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classinfact_1_1_initializer_3_01double_01_4.html#a17e348f01d54a7a12dcbf4332fd51cb9">Init</a>(<a class="code" href="classinfact_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st, <a class="code" href="classinfact_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *env = <span class="keyword">nullptr</span>) {
<a name="l00139"></a>00139     <a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6e5b0b274a66a2a504ac4fd425c57b3" title="The set of types of tokens read by this stream tokenizer.">StreamTokenizer::TokenType</a> token_type = st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#a50a622f50ef6aa800a9c7c15b96bb6cb" title="Returns the type of the next token, or EOF_TYPE if there is no next token.">PeekTokenType</a>();
<a name="l00140"></a>00140     <span class="keywordflow">if</span> (token_type != <a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6e5b0b274a66a2a504ac4fd425c57b3adbb02ac8845cd4a289387df4bf554aea">StreamTokenizer::NUMBER</a>) {
<a name="l00141"></a>00141       ostringstream err_ss;
<a name="l00142"></a>00142       err_ss &lt;&lt; <span class="stringliteral">&quot;DoubleInitializer: expected NUMBER token at stream &quot;</span>
<a name="l00143"></a>00143              &lt;&lt; <span class="stringliteral">&quot;position &quot;</span> &lt;&lt; st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#acbafcc5e7f6a0b3e4cd8166c4a53f4a8" title="Returns the next token&rsquo;s start position, or the byte position of the underlying byte stream if there ...">PeekTokenStart</a>() &lt;&lt; <span class="stringliteral">&quot; but found &quot;</span>
<a name="l00144"></a>00144              &lt;&lt; <a class="code" href="classinfact_1_1_stream_tokenizer.html#acd4baaa4ccb442e4398550e2f8c76419" title="Returns a string type name for the specified TokenType constant.">StreamTokenizer::TypeName</a>(token_type) &lt;&lt; <span class="stringliteral">&quot; token: \&quot;&quot;</span>
<a name="l00145"></a>00145              &lt;&lt; st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#a61ec5de244a34de264e5b18e4809d753" title="Returns the next token that would be returned by the Next method.">Peek</a>() &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;
<a name="l00146"></a>00146       <a class="code" href="namespaceinfact.html#a746fb382cf3fd6cf656f40669d90372c" title="Reports an error encountered during parsing and/or construction of an object.">Error</a>(err_ss.str());
<a name="l00147"></a>00147     }
<a name="l00148"></a>00148     (*member_) = atof(st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6827f00a3da760e23241e890becee0c" title="Returns the next token in the token stream.">Next</a>().c_str());
<a name="l00149"></a>00149   }
<a name="l00150"></a>00150  <span class="keyword">private</span>:
<a name="l00151"></a>00151   <span class="keywordtype">double</span> *member_;
<a name="l00152"></a>00152 };
<a name="l00153"></a>00153 
<a name="l00155"></a>00155 <span class="keyword">template</span>&lt;&gt;
<a name="l00156"></a><a class="code" href="classinfact_1_1_initializer_3_01bool_01_4.html">00156</a> <span class="keyword">class </span><a class="code" href="classinfact_1_1_initializer.html" title="A class to initialize a Factory-constructible object.">Initializer</a>&lt;bool&gt; : <span class="keyword">public</span> <a class="code" href="classinfact_1_1_stream_initializer.html" title="An interface that allows for a primitive, Factory-constructible object or vector thereof to be initia...">StreamInitializer</a> {
<a name="l00157"></a>00157  <span class="keyword">public</span>:
<a name="l00158"></a><a class="code" href="classinfact_1_1_initializer_3_01bool_01_4.html#a9328d5bea1f5315c08c7a07e6961fe20">00158</a>   <a class="code" href="classinfact_1_1_initializer_3_01bool_01_4.html#a9328d5bea1f5315c08c7a07e6961fe20">Initializer</a>(<span class="keywordtype">bool</span> *member) : member_(member) { }
<a name="l00159"></a><a class="code" href="classinfact_1_1_initializer_3_01bool_01_4.html#a7674348865eeeade2134e754e2a0f451">00159</a>   <span class="keyword">virtual</span> <a class="code" href="classinfact_1_1_initializer_3_01bool_01_4.html#a7674348865eeeade2134e754e2a0f451">~Initializer</a>() { }
<a name="l00160"></a><a class="code" href="classinfact_1_1_initializer_3_01bool_01_4.html#a7f6e058eefd5bfc55cda47142a23dd4f">00160</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classinfact_1_1_initializer_3_01bool_01_4.html#a7f6e058eefd5bfc55cda47142a23dd4f">Init</a>(<a class="code" href="classinfact_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st, <a class="code" href="classinfact_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *env = <span class="keyword">nullptr</span>) {
<a name="l00161"></a>00161     <a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6e5b0b274a66a2a504ac4fd425c57b3" title="The set of types of tokens read by this stream tokenizer.">StreamTokenizer::TokenType</a> token_type = st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#a50a622f50ef6aa800a9c7c15b96bb6cb" title="Returns the type of the next token, or EOF_TYPE if there is no next token.">PeekTokenType</a>();
<a name="l00162"></a>00162     <span class="keywordflow">if</span> (token_type != <a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6e5b0b274a66a2a504ac4fd425c57b3a1c9eaa574c618f243aa51efe253d3118">StreamTokenizer::RESERVED_WORD</a>) {
<a name="l00163"></a>00163       ostringstream err_ss;
<a name="l00164"></a>00164       err_ss &lt;&lt; <span class="stringliteral">&quot;BoolInitializer: expected RESERVED_WORD token at stream &quot;</span>
<a name="l00165"></a>00165              &lt;&lt; <span class="stringliteral">&quot;position &quot;</span> &lt;&lt; st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#acbafcc5e7f6a0b3e4cd8166c4a53f4a8" title="Returns the next token&rsquo;s start position, or the byte position of the underlying byte stream if there ...">PeekTokenStart</a>() &lt;&lt; <span class="stringliteral">&quot; but found &quot;</span>
<a name="l00166"></a>00166              &lt;&lt; <a class="code" href="classinfact_1_1_stream_tokenizer.html#acd4baaa4ccb442e4398550e2f8c76419" title="Returns a string type name for the specified TokenType constant.">StreamTokenizer::TypeName</a>(token_type) &lt;&lt; <span class="stringliteral">&quot; token: \&quot;&quot;</span>
<a name="l00167"></a>00167              &lt;&lt; st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#a61ec5de244a34de264e5b18e4809d753" title="Returns the next token that would be returned by the Next method.">Peek</a>() &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;
<a name="l00168"></a>00168       <a class="code" href="namespaceinfact.html#a746fb382cf3fd6cf656f40669d90372c" title="Reports an error encountered during parsing and/or construction of an object.">Error</a>(err_ss.str());
<a name="l00169"></a>00169     }
<a name="l00170"></a>00170     <span class="keywordtype">size_t</span> next_tok_start = st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#acbafcc5e7f6a0b3e4cd8166c4a53f4a8" title="Returns the next token&rsquo;s start position, or the byte position of the underlying byte stream if there ...">PeekTokenStart</a>();
<a name="l00171"></a>00171     <span class="keywordtype">string</span> next_tok = st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6827f00a3da760e23241e890becee0c" title="Returns the next token in the token stream.">Next</a>();
<a name="l00172"></a>00172     <span class="keywordflow">if</span> (next_tok == <span class="stringliteral">&quot;false&quot;</span>) {
<a name="l00173"></a>00173       (*member_) = <span class="keyword">false</span>;
<a name="l00174"></a>00174     } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (next_tok == <span class="stringliteral">&quot;true&quot;</span>) {
<a name="l00175"></a>00175       (*member_) = <span class="keyword">true</span>;
<a name="l00176"></a>00176     } <span class="keywordflow">else</span> {
<a name="l00177"></a>00177       ostringstream err_ss;
<a name="l00178"></a>00178       err_ss &lt;&lt; <span class="stringliteral">&quot;Initializer&lt;bool&gt;: expected either \&quot;true\&quot; or \&quot;false\&quot; &quot;</span>
<a name="l00179"></a>00179              &lt;&lt; <span class="stringliteral">&quot;token at stream position &quot;</span> &lt;&lt; next_tok_start &lt;&lt; <span class="stringliteral">&quot; but found &quot;</span>
<a name="l00180"></a>00180              &lt;&lt; <span class="stringliteral">&quot;token: \&quot;&quot;</span> &lt;&lt; next_tok &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;
<a name="l00181"></a>00181       <a class="code" href="namespaceinfact.html#a746fb382cf3fd6cf656f40669d90372c" title="Reports an error encountered during parsing and/or construction of an object.">Error</a>(err_ss.str());
<a name="l00182"></a>00182     }
<a name="l00183"></a>00183   }
<a name="l00184"></a>00184  <span class="keyword">private</span>:
<a name="l00185"></a>00185   <span class="keywordtype">bool</span> *member_;
<a name="l00186"></a>00186 };
<a name="l00187"></a>00187 
<a name="l00189"></a>00189 <span class="keyword">template</span>&lt;&gt;
<a name="l00190"></a><a class="code" href="classinfact_1_1_initializer_3_01string_01_4.html">00190</a> <span class="keyword">class </span><a class="code" href="classinfact_1_1_initializer.html" title="A class to initialize a Factory-constructible object.">Initializer</a>&lt;string&gt; : <span class="keyword">public</span> <a class="code" href="classinfact_1_1_stream_initializer.html" title="An interface that allows for a primitive, Factory-constructible object or vector thereof to be initia...">StreamInitializer</a> {
<a name="l00191"></a>00191  <span class="keyword">public</span>:
<a name="l00192"></a><a class="code" href="classinfact_1_1_initializer_3_01string_01_4.html#a5fa78a0796ad6364b0d7820b8202c84a">00192</a>   <a class="code" href="classinfact_1_1_initializer_3_01string_01_4.html#a5fa78a0796ad6364b0d7820b8202c84a">Initializer</a>(<span class="keywordtype">string</span> *member) : member_(member) { }
<a name="l00193"></a><a class="code" href="classinfact_1_1_initializer_3_01string_01_4.html#a376e8e1eea02ad9ad787bc8a80298157">00193</a>   <span class="keyword">virtual</span> <a class="code" href="classinfact_1_1_initializer_3_01string_01_4.html#a376e8e1eea02ad9ad787bc8a80298157">~Initializer</a>() { }
<a name="l00194"></a><a class="code" href="classinfact_1_1_initializer_3_01string_01_4.html#ab1a896aa73192d3e2584411b84d4e50a">00194</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classinfact_1_1_initializer_3_01string_01_4.html#ab1a896aa73192d3e2584411b84d4e50a">Init</a>(<a class="code" href="classinfact_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st, <a class="code" href="classinfact_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *env = <span class="keyword">nullptr</span>) {
<a name="l00195"></a>00195     <a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6e5b0b274a66a2a504ac4fd425c57b3" title="The set of types of tokens read by this stream tokenizer.">StreamTokenizer::TokenType</a> token_type = st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#a50a622f50ef6aa800a9c7c15b96bb6cb" title="Returns the type of the next token, or EOF_TYPE if there is no next token.">PeekTokenType</a>();
<a name="l00196"></a>00196     <span class="keywordflow">if</span> (token_type != <a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6e5b0b274a66a2a504ac4fd425c57b3adf5d994582c00a0d2bca91e6d3505409">StreamTokenizer::STRING</a>) {
<a name="l00197"></a>00197       ostringstream err_ss;
<a name="l00198"></a>00198       err_ss &lt;&lt; <span class="stringliteral">&quot;StringInitializer: expected STRING token at stream &quot;</span>
<a name="l00199"></a>00199              &lt;&lt; <span class="stringliteral">&quot;position &quot;</span> &lt;&lt; st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#acbafcc5e7f6a0b3e4cd8166c4a53f4a8" title="Returns the next token&rsquo;s start position, or the byte position of the underlying byte stream if there ...">PeekTokenStart</a>() &lt;&lt; <span class="stringliteral">&quot; but found &quot;</span>
<a name="l00200"></a>00200              &lt;&lt; <a class="code" href="classinfact_1_1_stream_tokenizer.html#acd4baaa4ccb442e4398550e2f8c76419" title="Returns a string type name for the specified TokenType constant.">StreamTokenizer::TypeName</a>(token_type) &lt;&lt; <span class="stringliteral">&quot; token: \&quot;&quot;</span>
<a name="l00201"></a>00201              &lt;&lt; st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#a61ec5de244a34de264e5b18e4809d753" title="Returns the next token that would be returned by the Next method.">Peek</a>() &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;
<a name="l00202"></a>00202       <a class="code" href="namespaceinfact.html#a746fb382cf3fd6cf656f40669d90372c" title="Reports an error encountered during parsing and/or construction of an object.">Error</a>(err_ss.str());
<a name="l00203"></a>00203     }
<a name="l00204"></a>00204     (*member_) = st.<a class="code" href="classinfact_1_1_stream_tokenizer.html#ac6827f00a3da760e23241e890becee0c" title="Returns the next token in the token stream.">Next</a>();
<a name="l00205"></a>00205   }
<a name="l00206"></a>00206  <span class="keyword">private</span>:
<a name="l00207"></a>00207   <span class="keywordtype">string</span> *member_;
<a name="l00208"></a>00208 };
<a name="l00209"></a>00209 
<a name="l00210"></a>00210 }  <span class="comment">// namespace infact</span>
<a name="l00211"></a>00211 
<a name="l00212"></a>00212 <span class="preprocessor">#endif</span>
</pre></div></div><!-- contents -->
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